Thomas Huxley , English scientist
said about Power, Existence, Right, Struggle, Theory, Thinking, World...
"The struggle for existence holds as much in the intellectual as in the physical world. A theory is a species of thinking, and its right to exist is coextensive with its power of resisting extinction by its rivals."
- Thomas Huxley Read all Thomas Huxley quotes, or find out more about Thomas Huxley
"The struggle for existence holds as much in the intellectual as in the physical world. A theory is a species of thinking, and its right to exist is coextensive with its power of resisting extinction by its rivals."- Thomas Huxley